ready... [ camera flash ] ♪ every kiss begins with kay ♪ anniversary of richard nixon's birth there's a new exhibit at his presidential library and has a lot of people talking. it contains newly declassified documents that reveal that nixon was corresponding with president bill clinton. jan crawford is here with the story. good morning. >> good morning, norah, good morning, j.b. they have released these incredible documents and it shows a surprisingly warm relationship between presidents nixon and clinton. the correspondence includes a handwritten letter congratulating him on a tough primary and election. that letter was the beginning of an unlikely union between the former republican and the democrat. they say politics make strange bedfellows. that was the case in 1992 when he sent a hand-written note to president clinton. the strongest steel must pass through the hottest fire. in enduring that ordeal you have demonstrate thad you have the character to lead. >> it's a very fascinating letter because he's opening up the door to a new incoming president that i'm on your side that i'm i